Guitar Chord Chart and Tabs in A Standard 7 String Tuning

Labm13, Lab-13, Lab min13
Notes: La♭, Do♭, Mi♭, Sol♭, Si♭, Ré♭, Fa
9,9,8,8,8,8,8 (2311111)
8,9,8,8,8,9,8 (1211131)
9,8,8,8,8,8,9 (2111113)
8,8,8,8,8,9,9 (1111123)